# Typical assembly detail.

**Citation:** 49 CFR 178.358-6  
**Type / status:** regulation / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2013-10-01  
**Published:** Not stated

(a) Specification 21PF-1 (horizontal loading overpack).

EC02MR91.080

(b) Specification 21PF-1A and 21PF-1B (horizontal loading overpack).

EC02MR91.081

(c) Specification 21PF-2 (end loading overpack).

EC02MR91.082

[Amdt. 178-90, 53 FR 36552, Sept. 20, 1988. Redesignated by Amdt. 178-97, 55 FR 5

## Document text

(a) Specification 21PF-1 (horizontal loading overpack).

EC02MR91.080

(b) Specification 21PF-1A and 21PF-1B (horizontal loading overpack).

EC02MR91.081

(c) Specification 21PF-2 (end loading overpack).

EC02MR91.082

[Amdt. 178-90, 53 FR 36552, Sept. 20, 1988. Redesignated by Amdt. 178-97, 55 FR 52716, Dec. 21, 1990]

## Provenance

- Official: Yes
- Source: <https://www.govinfo.gov/app/details/CFR-2013-title49-vol3/CFR-2013-title49-vol3-sec178-358-6>
- Source ID: `govinfo-cfr`
- SHA-256: `b725c410ba5f6ecf9d7c5f4d041d24939c6aeb694b07fac06ddbfa2ddebb4d85`
- Retrieved: 2026-08-12T01:41:52.959Z
- Exported: 2026-08-25T00:54:06.933Z
- Document slug: `49-cfr-178-358-6`

### Source metadata

```json
{
  "part": "178",
  "section": "178.358-6",
  "subpart": "Subpart K—Specifications for Packagings for Class 7 (Radioactive) Materials",
  "annualEdition": 2013,
  "revisedAsOf": "2013-10-01",
  "govInfoPackage": "CFR-2013-title49-vol3",
  "legalStatus": "official-annual-cfr-edition",
  "effectiveDateNote": null,
  "historicalAnchor": true,
  "historicalAnchorNote": "The section appears in an official annual CFR edition but is absent from the connected current eCFR corpus.",
  "jurisdiction": "US"
}
```